Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quantas equipes foram promovidas nos playoffs em um nível acima de 2?
 ###Tabelas: CREATE TABLE freight_and_mail (freight_and_mail_id AUTO_INCREMENT PRIMARY KEY, Year INT, Domestic freight INT, Domestic mail INT, International freight INT, International mail INT, Total freight and mail INT, Change VARCHAR) CREATE TABLE season_by_season (season_by_season_id AUTO_INCREMENT PRIMARY KEY, Season VARCHAR, Tier INT, League VARCHAR, Pos. INT, Postseason VARCHAR, Turkish Cup VARCHAR) CREATE TABLE most_viewed_channels (most_viewed_channels_id AUTO_INCREMENT PRIMARY KEY, Position INT, Channel VARCHAR, Launch date INT, Owner VARCHAR, 2005 VARCHAR, 2006 VARCHAR, 2007 VARCHAR, 2008 VARCHAR, 2009 VARCHAR, 2010 VARCHAR, 2011 VARCHAR, 2012 VARCHAR, 2013 (p) INT) CREATE TABLE operation (operation_id AUTO_INCREMENT PRIMARY KEY, Maximum Ceiling Temperature VARCHAR, Temperature Rating VARCHAR, Temperature Classification VARCHAR, Color Code (with Fusible Link) VARCHAR, Glass Bulb Color VARCHAR) CREATE TABLE top_grossing_films_u.s. (top_grossing_films_u.s._id AUTO_INCREMENT PRIMARY KEY, Rank INT, Title VARCHAR, Studio VARCHAR, Director(s) VARCHAR, Gross VARCHAR)  
SELECT COUNT Pos. FROM season_by_season WHERE Postseason = promoted AND Tier < 2